📝
C179 · 普通句（141 课）
Physics is the key subject to understanding the world and th
Course 179
(普)Physics is the key subject to understanding the world and the universe.
1 句 · 父母与孩子分角色配音
旁白 neutral
Physics is the key subject to understanding the world and the universe
物理学是理解世界和宇宙的关键学科
